How to Sharpen an HSS Drill Bit

In this video tutorial, Matt Schmelzer, CNC instructor at NWTC, shows us how to grind a 118-degree drill bit.

Keeping your HSS drill bits is paramount to obtain good results in your drilling operations. Luckily, the process of sharpening the tool is pretty simple, it just requires a pedestal grinder, a few tools, and a little bit of practice. In this short video demonstration, CNC instructor Matt Schmelzer goes through the entire process, starting from and tool rest setup and grinding wheel dressing.

Tools used:

• Angle protractor
• Scale
• Bench Grinder
• Aluminum oxide wheel
• Hooded dressing tool 

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